82 lines
2.5 KiB
TypeScript
82 lines
2.5 KiB
TypeScript
import { Connection, Keypair, LAMPORTS_PER_SOL, PublicKey, TransactionSignature } from '@solana/web3.js';
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import * as fs from 'fs';
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import * as splToken from "@solana/spl-token";
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import * as os from 'os';
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// number of users
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const tps : number = +process.argv[2];
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const forSeconds : number = +process.argv[3];
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// url
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const url = process.argv.length > 4 ? process.argv[4] : "http://localhost:8899";
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import * as InFile from "./out.json";
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function sleep(ms: number) {
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return new Promise( resolve => setTimeout(resolve, ms) );
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}
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console.log("benching " + tps + " transactions per second on " + url + " for " + forSeconds + " seconds");
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export async function main() {
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const connection = new Connection(url, 'confirmed');
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const authority = Keypair.fromSecretKey(
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Uint8Array.from(
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JSON.parse(
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process.env.KEYPAIR ||
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fs.readFileSync(os.homedir() + '/.config/solana/id.json', 'utf-8'),
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),
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),
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);
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const users = InFile.users.map(x => Keypair.fromSecretKey(Uint8Array.from(x.secretKey)));
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const userAccounts = InFile.tokenAccounts.map(x => new PublicKey(x));
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let successes : Uint32Array = new Uint32Array(forSeconds).fill(0);
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let failures : Uint32Array = new Uint32Array(forSeconds).fill(0);
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let promises : Promise<void>[] = [];
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for (let i = 0; i<forSeconds; ++i)
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{
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const start = performance.now();
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let signatures : TransactionSignature[] = [];
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for (let j=0; j<tps; ++j)
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{
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const toIndex = Math.floor(Math.random() * users.length);
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let fromIndex = toIndex;
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while (fromIndex === toIndex)
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{
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fromIndex = Math.floor(Math.random() * users.length);
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}
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const userFrom = userAccounts[fromIndex];
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const userTo = userAccounts[toIndex];
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const p = splToken.transfer(
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connection,
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authority,
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userFrom,
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userTo,
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users[fromIndex],
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100,
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).then((_)=> {successes[i]++}, (_) => {failures[i]++})
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promises.push(p)
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}
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const end = performance.now();
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const diff = (end - start);
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if (diff > 0) {
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await sleep(1000 - diff)
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}
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}
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for (const p of promises)
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{
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await p;
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}
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console.log("successes : " + successes);
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console.log("failures : " + failures);
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}
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main().then(x => {
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console.log('finished successfully')
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}).catch(e => {
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console.log('caught an error : ' + e)
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}) |